A rocket has an initial mass m, = 2.8X10°kg of which 2.1X10°kg was fuel. The fuel was burned with a constant rate and the exhaust speed u is 2400 m/s. The rocket starts from rest and moves vertically under uniform gravity g = 9.8 m/s2. The speed of the rocket at burnout is 1955 m/s. Assume that the thrust is such that the rocket takes off immediately. %3| a) Calculate the burnout time to of the rocket.

A rocket has an initial mass m, = 2.8X10°kg of which 2.1X10°kg was fuel. The fuel was burned with a constant rate and the exhaust speed u is 2400 m/s. The rocket starts from rest and moves vertically under uniform gravity g = 9.8 m/s2. The speed of the rocket at burnout is 1955 m/s. Assume that the thrust is such that the rocket takes off immediately. %3| a) Calculate the burnout time to of the rocket.

Classical Dynamics of Particles and Systems

5th Edition

ISBN:9780534408961

Author:Stephen T. Thornton, Jerry B. Marion

Publisher:Stephen T. Thornton, Jerry B. Marion

Chapter9: Dynamics Of A System Of Particles

Section: Chapter Questions

Problem 9.60P

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